Few days after security couch left Nigel Closed the fourth location and probably try to fix the old bots starting with old Barto until he gave up then new Bart and saw old Liza roaming around the area so he saw him as a threat so he followed her around and dismantled old Liza and he saw new ned so he followed her around the location until he disappeared in room and new Bart saw new Lisa dismantled and tried to leave but saw sideshow Bob coming towards him and he dismantled new Bart